From 610677e4e008365bd6be1d0149c2f0470debf769 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Niels=20M=C3=B6ller?= Date: Tue, 12 Feb 2013 15:54:34 +0100 Subject: [PATCH] Notes on using ldmia and stmia. --- armv7/README | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/armv7/README b/armv7/README index 33715662..4d01f30b 100644 --- a/armv7/README +++ b/armv7/README @@ -1,5 +1,9 @@ Currently, code in this directory is written for arm cortex-a9. +For efficient loads and stores, use ldmia, stmia and friends. Can do +two loads or stores per cycle with 8-byte aligned addresses, or three +loads or stores in two cycles, regardless of alignment. + ABI gnueabi(hf) (not depending on the floating point conventions) Registers May be Argument -- 2.47.2